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August 25, 2010 | A moment on the lips really does mean a lifetime on the hips |
Washington: Scientists have proved that 'a moment on the lips' really does lead to 'a lifetime on the hips'. Asa Ernersson and a team of researchers from Linkoping University Sweden found that a short period of excess food consumption can have long-term effects on the body weight and fat storage even after the initial weight is lost. Their study showed that a four-week episode of increased energy intake and decreased exercise can cause increased weight and
fat mass more than two years later when compared to control individuals. As part
of the study, the researchers investigated the long term effects of a sedentary
and gluttonous lifestyle. They capped the physical activity of 18 individuals
and used excessive food consumption to increase their energy intake by an average
of 70 percent for four weeks. A separate control group ate and exercised as normal.
The intervention group gained an average of 6.4 kg in body weight, which was mostly
lost 6 months later. However, one year later the intervention group showed an
increased fat mass compared to baseline; the differences were even greater after
two and a half years. Ernersson said: "The long term difference in body weight
in the intervention and control groups suggests that there is an extended effect
on fat mass after a short period of large food consumption and minimal exercise."
The study provides interesting new evidence to suggest that even a short period
of excessive eating and a lack of exercise can potentially change an individual's
physiology, causing it to be harder to lose and keep off weight. Ernersson said:
"The change of fat mass was larger than expected when compared to the controls,
it suggests that even short-term behavioural changes may have prolonged effects
on health." The study has been published in BioMed Central's open access journal
Nutrition & Metabolism. |
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